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Whitworth quick return mechanism is obtained by inversion of

A. Slider crank mechanism

B. Kinematic chain

C. Five link mechanism

D. Roller cam mechanism

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  1. For fluctuating loads, well suited bearing is
  2. When one of the links of a kinematic chain is fixed, the chain is known as a
  3. Hart mechanism has
  4. When the primary direct crank of a reciprocating engine makes an angle of θ with the line of stroke,…
  5. The velocity of the rubbing surface __________ with the distance from the axis of the bearing.
  6. Davis steering gear consists of
  7. The type of gears used to connect two non parallel and non intersecting shafts is
  8. The static friction
  9. A shaft has an attached disc at the centre of its length. The disc has its centre of gravity located…
  10. The power of a Porter governor is equal to
  11. The lower pair is a
  12. Bifilar suspension method is used to find the
  13. A fixed gear having 200 teeth is in mesh with another gear having 50 teeth. The two gears are connected…
  14. Instantaneous center of rotation of a link in a four bar mechanism lies on
  15. Critical damping is a function of
  16. The frequency of oscillation of a torsional pendulum is
  17. In under damped vibrating system, if x₁ and x₂ are the successive values of the amplitude…
  18. In a cam drive with uniform velocity follower, the sharp corners of the displacement diagram are rounded…
  19. A motor car moving at a certain speed takes a left turn in a curved path. If the engine rotates in the…
  20. An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be…
  21. The primary unbalanced force is maximum _________ in one revolution of the crank.
  22. The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle)
  23. The method of direct and reverse cranks is used in engines for
  24. Whitworth quick return mechanism is obtained by inversion of
  25. It is required to connect two parallel shafts, the distance between whose axes is small and variable.…
  26. In order to facilitate starting of locomotive in any position, the cranks of a locomotive with two cylinders,…
  27. In a Hartnell governor, the compression of the spring is __________ the lift of the sleeve.
  28. In vibration isolation system, if ω/ωn < 2, then for all values of damping factor, the transmissibility…
  29. Which of the following mechanism is an approximate straight line motion mechanism?
  30. Which of the following is an open pair?